Johns Manville Unfaced - Thermal & Acoustical Batts

Johns Manville Formaldehyde-free™ Unfaced thermal and acoustical insulation offers R-Values of up to R-49 and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Unfaced insulation reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood frame, engineered wood and steel frame construction applications, including new construction and retrofit.

R-Values: R-11, R-13, R-15, R-19, R-20, R-21, R-25, R-30, R-30c, R-38, R-38c, R-49

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Unfaced TDS
Unfaced SDS